Specification
Item | Transmitter | Receiver | Note |
Center frequency | 40.0±1.0KHz | ||
SPL | ≥110dB | ------- | 0dB=0.0002μbar |
Sensitivity | ------- | ≥-67dB | 0dB=1volt/μbar |
Directivity | 60° | -6dB typical | |
Capacitance | 2300±30%pF | ||
Housing material | Plastic | ||
Measure distance | 0.2~12m | ||
Driving Voltage | ≤40Vrms | ||
Operating Temperature | -20~+70℃ | ||
Storage Temperature | -40~+85℃ |
Appearance Drawing